Concise hierarchy

(Kingdom) Plantae - (Phylum) Tracheophyta - (Class) Isoëtopsida - (Order) Selaginellales - (Family) Selaginellaceae

Subsequent positions

Isoëtopsida (Clade) Cronquist et al. 1972 [Cantino & Donoghue 2007]		Ref: P.D. Cantino et al., 2007: E12.
Lycopodiophyta (Clade) Cronquist, Takhtajan & Zimmermann 1966 [Cantino & Donoghue 2007], nom. cl. inval.		Ref: P.D. Cantino et al., 2007: E11.

Current position

Selaginellaceae (Family) Willk. (1854)

Ref: PPG I, 2016: 570.

Alternative positions

Isoëtopsida (Clade) Cronquist et al. 1972 [Cantino & Donoghue 2007]

Ref: P.D. Cantino et al., 2007: E12. [new position]

Historical positions

Selaginellaceae (Family) Willk. (1854)	Ref: D.J. Mabberley, 2017: 846.
Selaginellaceae (Family) Willk. (1854)	Ref: PPG I, 2016: 570.
Selaginellaceae (Family) Willk. (1854)	Ref: A. Novikoff & B. Barabasz-Krasny, 2015: 46.
Selaginellaceae (Family) Willk. (1854)	Ref: D.J. Mabberley, 2008: 787.
Isoëtopsida (Clade) Cronquist et al. 1972 [Cantino & Donoghue 2007]	Ref: P.D. Cantino et al., 2007: E12. [new position]
Lycophyta (Phylum)	Ref: L. Margulis & K.V. Schwartz, 1998: 390. [rough position]
Lycophytae (Infraphylum) (auct.) Cavalier-Sm. (1998)	Ref: T. Cavalier-Smith, 1998: table 6 (p. 251). [rough position]
Lycopodophyta (Phylum) D.H.Scott (1909)	Ref: L. Margulis & K.V. Schwartz, 1982: 254. [rough position]
Selaginellaceae (Family) Willk. (1854)	Ref: J.T. Mickel, 1982: 339.

Number of Subtaxa

2024	Available in Systema Naturae 2000	7s
1989-present	Systema Naturae 2000	700s
2010	Royal Botanic Gardens, Kew & Missouri Botanical Garden: 10 Aug 2011	308s
1998	L. Margulis & K.V. Schwartz: 390	700s
1982	J.T. Mickel	700s
1982	L. Margulis & K.V. Schwartz	700s